Data migration – moving workloads across
11
any platform
TECHNOL
By making better use of existing resources, this X2X migration represents a real
opportunity to optimise workload planning while also reducing costs.
OGY
By Ian Masters, UK sales director at Double-Take Software
D
Moving to a new IT system has limits on how the workloads iSCSI and vice versa, meaning
A
T
typically been a time-consuming can be moved around. What that the customer can be more
A
event, with the difficulty being customers should be looking at flexible in their choice of
MIGRA
the downtime required to move is moving any workload to any storage. The second benefit is
workloads from one platform to platform, independent of the that migrations can all be
TION
another. For storage migrations, server, storage or virtualisation accomplished while using the
the cost of shifting from one platforms that might be in place existing infrastructure in the
storage network infrastructure - X2X migration. data centre and without
to another represents a purchasing new hardware.
particularly big hurdle: moving The storage side of IT is still
from Fibre Channel to iSCSI or heavily affected by downtime in Consolidation is going to
vice versa typically requires a data migrations. If a Fibre continue to be a trend for the
complete rip and replace Channel SAN is in place but the future as companies look to
strategy. However, the data company wants to move to a shrink costs through reducing
itself does not care what more flexible iSCSI architecture, sites and infrastructure. X2X
platform it lives on: how can the only option was to rip and migration can help site
organisations get the same replace the previous SAN with a consolidations make more
level of independence within new iSCSI device. If you were sense financially as well as
their IT? looking at the storage within letting organisations run
the local data centre as well as mission-critical applications
Virtualisation has significantly at a co-location or disaster from remote distances, as they
helped to free up infrastructure recovery facility, there was even will not be constrained by
and workloads, with the ability less choice - usually the distance or latency concerns.
to move workloads between customer was forced to buy two This helps with facilitating a
virtual servers. This greatly of the same devices so they centralised management
reduces the potential impact to could communicate. solution for operations, and
production systems. However, also serves as a potential
this still only covers the virtual The solution to this issue is disaster recovery solution.
landscape and specifically only look at allowing disparate
migrations between the same hardware to talk and work Being able to move any
virtualisation platforms. This together without the need to rip workload around the IT
approach can actually lock the and replace. X2X migration infrastructure regardless of
data centre manager into a strategies can assist in this aim, platform is the necessary next
specific solution, making it that as, rather than bringing in a step on the road to this goal.
much more difficult to move different level to manage as X2X migration can meet this
from one platform to another. server virtualisation has done, need, helping organisations
this abstraction is truly make better use of their IT
While Physical to Virtual (P2V) independent of the storage resources and reduce the cost
or Virtual to Virtual (V2V) hardware that is in place. This of moving to new systems.
migrations can be allows data and workloads to
accomplished, there are still be moved from Fibre Channel to
www.doubletake.com
WWW.SNS-UK.CO.UK MAR 09
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